Diamonds have several unique properties that make them ideal for use in cutting tool applications. They are the hardest known material on earth and are resistant to abrasion and wear. Diamond has high thermal conductivity, lessening the chances of thermal damage to the workpiece. As a cutting agent, diamond is better to use on natural Diamonds have several unique properties that make them ideal for use in cutting tool applications. They are the hardest known material on earth and are resistant to abrasion and wear. Diamond has high thermal conductivity, lessening the chances of thermal damage to the workpiece. As a cutting agent, diamond is better to use on natural